/* ==========================================
   1. BAZNA PODEŠAVANJA I PROMENLJIVE
   ========================================== */
:root {
    --bg-main: #070709;
    --bg-card: rgba(18, 18, 22, 0.7);
    --bg-card-hover: rgba(26, 26, 32, 0.95);
    --border-color: rgba(255, 255, 255, 0.08);
    --accent-red: #ff2a5f;
    --accent-red-glow: rgba(255, 42, 95, 0.4);
    --accent-green: #10b981;
    --accent-green-glow: rgba(16, 185, 129, 0.4);
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #52525b;
    --font-family: 'Plus Jakarta Sans', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-x: hidden;
    padding: 20px 16px 60px 16px;
    position: relative;
}

/* Dynamic Moving Ambient Glow Background */
body::before {
    content: '';
    position: absolute;
    top: -120px;
    left: 50%;
    transform: translateX(-50%);
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(255, 42, 95, 0.25) 0%, rgba(0,0,0,0) 70%);
    z-index: -1;
    pointer-events: none;
    animation: ambientGlow 8s ease-in-out infinite alternate;
}

@keyframes ambientGlow {
    0% { transform: translateX(-50%) scale(0.8) translateY(0); opacity: 0.4; }
    50% { transform: translateX(-40%) scale(1.1) translateY(30px); opacity: 0.8; }
    100% { transform: translateX(-60%) scale(0.9) translateY(-20px); opacity: 0.5; }
}

/* ==========================================
   2. HEADER ANIMACIJE
   ========================================== */
header {
    text-align: center;
    margin-top: 20px;
    margin-bottom: 35px;
    max-width: 600px;
    animation: slideDown 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.brand-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 15px;
    backdrop-filter: blur(10px);
    animation: pulseBorder 3s infinite alternate;
}

@keyframes pulseBorder {
    0% { border-color: rgba(255, 255, 255, 0.08); }
    100% { border-color: rgba(255, 42, 95, 0.3); }
}

.brand-badge .dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-green);
    animation: liveDot 1.2s infinite ease-in-out;
}

@keyframes liveDot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(0.6); opacity: 0.3; }
}

header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    background: linear-gradient(180deg, #ffffff 0%, #a1a1aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
    text-transform: uppercase;
}

header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 22px;
}

/* Instagram Animirano Dugme */
.cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 28px;
    background: linear-gradient(270deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
    background-size: 300% 300%;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    border-radius: 14px;
    box-shadow: 0 10px 25px -5px rgba(220, 39, 67, 0.4);
    transition: all 0.3s ease;
    animation: gradientShift 5s ease infinite, buttonPulse 2s infinite alternate;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes buttonPulse {
    0% { box-shadow: 0 10px 25px -5px rgba(220, 39, 67, 0.4); }
    100% { box-shadow: 0 15px 35px 5px rgba(220, 39, 67, 0.7); }
}

.cta-btn:hover {
    transform: translateY(-4px) scale(1.03);
}

.cta-btn:active {
    transform: translateY(-1px) scale(0.98);
}

/* ==========================================
   3. FILTER DUGMIĆI (Animirani)
   ========================================== */
.filter-container {
    display: flex;
    gap: 10px;
    margin-bottom: 35px;
    background: rgba(255, 255, 255, 0.03);
    padding: 6px;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    animation: fadeInUp 0.8s 0.2s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

.filter-btn {
    padding: 10px 20px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.filter-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.filter-btn.active {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
    transform: scale(1.02);
}

/* ==========================================
   4. GRID I KARTICE PROIZVODA
   ========================================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 22px;
    width: 100%;
    max-width: 1100px;
}

.card {
    background: var(--bg-card);
    backdrop-filter: blur(14px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    animation: fadeInUp 0.8s 0.3s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

/* Shimmer Svetleća linija koja stalno preleće karticu */
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -150%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.06), transparent);
    transform: skewX(-20deg);
    animation: shimmer 6s infinite;
}

@keyframes shimmer {
    0% { left: -150%; }
    20% { left: 150%; }
    100% { left: 150%; }
}

.card:hover {
    transform: translateY(-10px) scale(1.02);
    background: var(--bg-card-hover);
}

.card.in-stock-card:hover {
    border-color: rgba(16, 185, 129, 0.5);
    box-shadow: 0 20px 40px -10px var(--accent-green-glow);
}

.card.out-stock-card:hover {
    border-color: rgba(255, 42, 95, 0.5);
    box-shadow: 0 20px 40px -10px var(--accent-red-glow);
}

/* Animacija lebdenja slike (Floating effect) */
.card-img-wrapper {
    width: 100%;
    height: 210px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin-bottom: 15px;
    border-radius: 14px;
    background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, rgba(0,0,0,0) 70%);
}

.card-img-wrapper img {
    max-width: 85%;
    max-height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 15px 15px rgba(0,0,0,0.6));
    animation: floatImage 4s ease-in-out infinite alternate;
    transition: transform 0.5s ease;
}

@keyframes floatImage {
    0% { transform: translateY(0px) rotate(0deg); }
    100% { transform: translateY(-8px) rotate(1.5deg); }
}

.card:hover .card-img-wrapper img {
    animation-play-state: paused;
    transform: scale(1.1) rotate(3deg);
}

/* Informacije o proizvodu */
.card-info {
    text-align: left;
    margin-bottom: 15px;
}

.card-title-en {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.3px;
    margin-bottom: 3px;
}

.card-title-sr {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Badge za stanje sa animiranim tačkama */
.stock-badge {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 0.82rem;
    font-weight: 700;
}

.stock-badge .badge-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.stock-badge .indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

/* Na Stanju */
.card.in-stock-card .stock-badge {
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.25);
    color: var(--accent-green);
}
.card.in-stock-card .indicator {
    background-color: var(--accent-green);
    box-shadow: 0 0 10px var(--accent-green);
    animation: pulseGreen 1.8s infinite;
}

/* Rasprodato */
.card.out-stock-card {
    opacity: 0.65;
}
.card.out-stock-card:hover {
    opacity: 1;
}
.card.out-stock-card .stock-badge {
    background: rgba(255, 42, 95, 0.08);
    border: 1px solid rgba(255, 42, 95, 0.25);
    color: var(--accent-red);
}
.card.out-stock-card .indicator {
    background-color: var(--accent-red);
    box-shadow: 0 0 10px var(--accent-red);
    animation: pulseRed 1.8s infinite;
}

/* Globalne animacije ulascima */
@keyframes pulseGreen {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.8); }
    70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

@keyframes pulseRed {
    0% { box-shadow: 0 0 0 0 rgba(255, 42, 95, 0.8); }
    70% { box-shadow: 0 0 0 8px rgba(255, 42, 95, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 42, 95, 0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Dynamic Filter Transition Class */
.card-fade {
    animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* ==========================================
   5. FOOTER
   ========================================== */
footer {
    margin-top: 60px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    animation: fadeInUp 0.8s 0.4s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

footer strong {
    color: var(--text-secondary);
}

@media (max-width: 480px) {
    header h1 { font-size: 1.9rem; }
    .products-grid { grid-template-columns: 1fr; }

    /* ==========================================
   LOGO STILOVI I ANIMACIJA
   ========================================== */
.logo-wrapper {
    margin-bottom: 15px;
    display: inline-block;
    position: relative;
}

.brand-logo {
    max-width: 130px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 15px rgba(255, 42, 95, 0.4));
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    animation: logoGlow 4s ease-in-out infinite alternate;
}

.brand-logo:hover {
    transform: scale(1.1) rotate(-3deg);
    filter: drop-shadow(0 0 25px rgba(255, 42, 95, 0.8));
}

@keyframes logoGlow {
    0% {
        transform: translateY(0);
        filter: drop-shadow(0 0 10px rgba(255, 42, 95, 0.3));
    }
    100% {
        transform: translateY(-6px);
        filter: drop-shadow(0 0 22px rgba(255, 42, 95, 0.6));
    }
}
}